6.5

CVE-2023-32573: qt Divide By Zero

CVSS: 6.5v3.1MediumModified
AliasesopenSUSE-SU-2023:0111-1RHSA-2023:6961UBUNTU-CVE-2023-32573
Published 10-05-2023Last modified 27-01-2025

Vulnerability summary

CVE-2023-32573 is a medium (CVSS 6.5) Divide By Zero vulnerability in qt. EPSS estimates a 0.88% chance of exploitation in the next 30 days, higher than 58.5% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.88%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 10 · Related 7

Timeline

  1. 10-05-2023
    PublishedVulnerability first disclosed.
  2. 27-01-2025
    Last modifiedVulnerability information updated.

Description

In Qt before 5.15.14, 6.0.x through 6.2.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1, QtSvg QSvgFont m_unitsPerEm initialization is mishandled.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.88%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

0.00 pp

From 0.88% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.88%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat8 products
  • enterprise_linux8.0 | 9.0
  • qt5-qtsvg< 0:5.15.3-2.el8
  • qt5-qtsvg-debuginfo< 0:5.15.3-2.el8
  • qt5-qtsvg-debugsource< 0:5.15.3-2.el8
  • qt5-qtsvg-devel< 0:5.15.3-2.el8
Debian2 products
  • qt6-svg< 6.4.2-2
  • qtsvg-opensource-src< 5.15.8-3
Opensuse2 products
  • qt6-svg-docs&distro=openSUSE Leap 15.4< 6.2.2-bp154.2.3.1
  • qt6-svg&distro=openSUSE Leap 15.4< 6.2.2-bp154.2.3.1
Suse2 products
  • qt6-svg-docs&distro=SUSE Package Hub 15 SP4< 6.2.2-bp154.2.3.1
  • qt6-svg&distro=SUSE Package Hub 15 SP4< 6.2.2-bp154.2.3.1
Ubuntu2 products
  • qt6-svgAll versions (No fix recorded)
  • qtsvg-opensource-src< 5.5.1-2ubuntu0.1~esm1 | < 5.9.5-0ubuntu1.1+esm1 | < 5.12.8-0ubuntu1+esm1 | < 5.15.3-1ubuntu0.1~esm1
Qt1 product
  • qt< 5.15.14 | ≥ 6.0.0, < 6.2.9 | ≥ 6.3.0, < 6.5.1

6 vendors · 17 products

References

17 links
Show all 17 references